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Cells of the Brain

The brain is a mosaic made up of different cell types, each with their own unique properties. Here are the basics.
microscope view
Glia

Nibbling on Neurons: A Closer Look at Synaptic Pruning

Researchers in Italy have build a better scanner, and found that some microglia aren't removing whole synapses but merely trimming them a bit.
Glia

Microglia: The Brain’s First Responders

Microglia help guide brain development and serve as immune system helpers. These cells may hold the key to understanding not just normal brain development, but also what causes a number of intractable brain disorders.
Glia

More Clues How the Brain’s ‘Other Cells’ Change As We Age

The actions of astrocytes and oligodendrocytes vary from region to region, suggesting that these cells function somewhat differently in each area. But as we age, a new study suggests such regional differences become less marked.
Glia

The Evolving View of Astrocytes

Scientists have found that one type of glial cell that is prevalent in the cortex—the astrocyte—may play a role in sleep, learning, and memory.

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